F344xBN F1 and Brown Norway Rat Health Reports

These reports are for the F344xBN F1 (FBNF1/NNiaHsd) rats and the Brown Norway (BN/BiRijNNiaHsd) rats. The F344xBN F1 and BN rat colonies transferred to Charles River in the summer of 2013. The transferred colony is in barriers P03 and R07. The new colony at Charles River is in barriers R17F50 and H50.